Load testing with Apache Bench

Overview

We use load testing to check how our application behavior when large number of requests concurrently access the application. This post is about how to do a simple load test with Apache Bench.

How to publish Mock Service with SoapUI

Overview

SoapUI is well known tool for manipulating different tests with web services and rest services. This post will discuss about mock service and applicability of mock services in your service based projects.

What is bpel

Overview

This post describe some basic concepts of BPEL which is a XML based language used to model business processes.

Simple MapReduce Program for Hadoop

Overview

Previous post we went through basics of big data processing and Hadoop. This post I describe some basic map reduce program structure. Here I have used example of counting words in large number of books. I have configured a two node cluster with distributed file system. Here we are using three classes as,

1. Mapper class 
2. Reducer Class 
3. Main words Count Class 

Assume I have 10 documents having only words “hello” and “world”. Documents will be shared by two nodes. How much documents for each node will be decide by Hadoop framework.

Database level Pagination with JPA

Overview

Pagination is a presentation technique used to show large amount of data set in client UI side as set of pages with set of options like next,previous,first last etc.